Usually, You need about as much worth as your next land costs value in allies in order to be at max plunder. Should be around 2 billion for you I am guessing.
And does anyone know the points of the % in evanescence? As I'm not sure wether my clan should try it, wulfs guide doesn't say
Bbcodes. There is a thread to tell you about it you should look at. @tiger, can't tell on game but number ever on forums is 576,498